CVE-2021-30823 — MEDIUM (6.5)

Q: How severe is CVE-2021-30823?

CVE-2021-30823 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-30823?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos.

Vulnerability Description

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network position may be able to bypass HSTS.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Safari	< 15.0.0
Apple	Ipados	< 14.8
Apple	Iphone Os	< 14.8
Apple	Macos	< 12.0.1
Apple	Tvos	< 15.0
Apple	Watchos	< 8.0

References

http://www.openwall.com/lists/oss-security/2021/12/20/6Mailing ListThird Party Advisory
https://support.apple.com/en-us/HT212807Vendor Advisory
https://support.apple.com/en-us/HT212815Vendor Advisory
https://support.apple.com/en-us/HT212816Vendor Advisory
https://support.apple.com/en-us/HT212819Vendor Advisory
https://support.apple.com/en-us/HT212869Vendor Advisory
https://support.apple.com/kb/HT212953Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/12/20/6Mailing ListThird Party Advisory
https://support.apple.com/en-us/HT212807Vendor Advisory
https://support.apple.com/en-us/HT212815Vendor Advisory
https://support.apple.com/en-us/HT212816Vendor Advisory
https://support.apple.com/en-us/HT212819Vendor Advisory
https://support.apple.com/en-us/HT212869Vendor Advisory
https://support.apple.com/kb/HT212953Vendor Advisory

FAQ

What is CVE-2021-30823?

CVE-2021-30823 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.0.1, iOS 14.8 and iPadOS 14.8, tvOS 15, Safari 15, watchOS 8. An attacker in a privileged network posit...

How severe is CVE-2021-30823?

CVE-2021-30823 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30823?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos.